Periodic Table Challenge
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Questions and Answers

What does the periodic table arrange the chemical elements into?

  • Triangles and hexagons
  • Lines and curves
  • Rows and columns (correct)
  • Circles and squares

    • According to the periodic law, what is evident when the elements are arranged in order of their atomic numbers?

  • No change in their properties
  • A random pattern of their properties
  • A complete change in their properties
  • An approximate recurrence of their properties (correct)

    • What is the trend for metallic character going down a group in the periodic table?

  • Varies randomly
  • Decreases
  • Remains constant
  • Increases (correct)

    • Who formulated the first generally accepted periodic table in 1869?

    <p>Dmitri Mendeleev</p> Signup and view all the answers

    What did Mendeleev successfully use the periodic law to predict?

    <p>Properties of some missing elements</p> Signup and view all the answers

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